20. What are the 3 types of exocrine gland cells in the stomach and what do they secrete?
21. Where does the production of HCl occur? What cells produce it? What enzyme catalyzes the formation of carbonic acid during the production? What 3 substances stimulate secretion of HCl? 1) In stomach; 2) Parietal cells; 3) Carbonic anhydrase catalyzes formation of carbonic acid (H2CO3) from water & carbon dioxide; 4) Acetylcholine (Ach), Gastrin, Histamine 22. What is the pathway for bile from the liver and gall bladder to the duodenum (flowchart)? What is the hepatopancreatic ampulla? Lesser Omentum – is the pathway for BV entering liver & contains hepatic portal vein, common hepatic artery, & common bile duct (along with some lymph nodes). Pancreatic duct joins common bile duct from the liver & gall bladder and enters duodenum as a dilated common duct called hepatopancreatic ampulla . 23. What is the pathway of blood supply through the liver? Flow chart. Lesser omentum… Branches of both the hepatic artery and the hepatic portal vein carry blood into hepatic sinusoids, where oxygen, most of the nutrients, and certain toxic substances are taken up by the hepatocytes. 24. What is the exocrine portion of the pancreas called? Acini(99% of these clusters are). 25. What is the endocrine portion of the pancreas called? Pancreatic isletsis the remaining 1% of clusters that form the endocrine portion of the pancreas. 26. Which brush border enzyme is responsible for converting trypsinogen to trypsin? 27. Know what the different enzymes we discussed in class break down. There is a table in your book that breaks these down as well. 28. Know histology of esophagus. Refer to question 4. Know differences between organs. 29. Know histology of stomach. 30. What are the 4 cell types in the small intestine and what do they secrete?